Valve



FIG. 5.

J. B. VANCE VALVE .Filed May 51 1922 Patented Dec, 2, 1924,

U NIT E JAMES B. VANCE, OF LOUISVILLE, KENTUCKY.

VALVE.

Application filed may 31,1922 Serial No. 564,787.

To all whom itmag concern:

Be it known that. I, JAMES B. VANCE, a citizen of the United States of America,

residing at Louisville, in the county of Jefferson and Stateof Kentucky, have in vented certain new and useful Improvements in Valves, of which the following is a specification.

The primary object of this invention is the production of a valve of the conventional globe or other closely analogous type, wherein the valve head in the casing is directly acted upon by the pressure within the'system for effectively holding the same against its seat to prevent leakage, water knocks, etc.

A still further object of this invention is the incorporation into a valve of the above type a valve head so positioned upon its stem so as to have aslight universalmovement thereon so 'as to compensate for any uneveness of the valve seat and to also take care of any expansion or contraction within the valve proper.

A still further object of my invention is the production of a valve of the above specified type wherein all of the operatin or movable parts of the valve are soassem led as to be readily removable fromthe valve arrangement of parts hereinafter more fully in the accompanying.

described, shown drawing and claimed.

In the drawing, wherein like reference characters designate corresponding parts throughout the several views,

Figure 1 is a vertical cross sectional view of my device, the valve stem being shown in elevation,

- view of the va1vestem,,and

Figure 2 is a side view of one of the main elements of the invention,

Figure 3 is a top plan view of the same, Figure 4 is a transverse sectional View on the line IV-IV of Fig. 2,

Figure: 5 is a cross sectional view and toprplan view respectively of the valve seat, igure 6 is a fragmentary elevational Figure 7 is a cross sectional view upon the line VIIVII of Fig. 6. Referring more in detail to the several views there is shown a valve casing 1 of the usual configuration provided withthe conventional partition wall 2, this partition wall is provided with a central enlarged screw threaded aperture 3 for receiving the lower screw threaded end of a sleeve member'hereinafter more fully described. The top wall of the casing 1 is also provided with a screw threaded aperture 4 and adapted to be received within these a ertures' l and 3 respectivelyis a relatively ong sleeve member 5. t w

This sleeve member 5 is in the form of a tube and has a lower reduced end 6 and a central externally screwthreaded portion 7 for respectively engaging the screw threaded apertures 3 and 4 in the valve cas-- lu 1. An annular flange'8 is f rmed on this sleeve for contacting the adjacent upperv wall of the casing 1 when the same is mounted therein. The o posite upper end 'of the sleeve member 5 is also screw threaded at 9 and the portion of the sleeve member intermediate this screw threaded end and the annular flange 8 is of an 'ular formation as clearly shown in Fig. 3 w ere:

' by a wrench may be applied to the same for screwing this sleeve into position within the casing.

. The lower end of the sleeve 5 is internally screw threaded as at 10 for screw threadedly receiving a removable valve seat 11, more fully shown in Fig. 5. This seat 11 is internally provided with diametrically opposed v integral lug members 12 for advantageously securing said seat to the lower end of the sleeve member 5 and one endv of this seat is outwardly flanged at 13 for contacting with the bottom surface of the said sleeve,

The sleeve member 5 is further provided with a centrally disposed interior partition wall 14 having a squared opening 15 therethrough. .Positioned for sliding movement within the sleeve member 5' is a valve stem 16 of cylindrical formation, which stem has formed thereon an enlarged squared ortion 17 for engaging within the square opening 15 of the central partition wall 14 of the sleeve member 5, for preventing rotation of the stem' 16 but allowing free sliding movement of the said stem within the sleeve. The lower end of the stem 16 has stepped leakage between the adjacent walls of the enlargement 18 on the stem 16 and the valve member 19.

Upon the upper end of the valve stem 16 there is formed the usual screw threads 22 for engaging the internal screw threads 23 formed within a longitudinal bore 23 of a valve operating stem 24. This valve operating stem is of cylindrical formation .and has upon its lower end an enlargement 25 for snugly engaging within the. upper open end of the sleeve 5. A shoulder 26 is formed within the upper end of the sleeve 5 'for su porting thereon an annular packing ring 2%, which packing ring is disposed beneath the lower end of the operating stem 24. The

upper surface of the enlargement 25 is beveled for receiving thereon a beveled packing gland 28. For firmly retaining the operating stem 24 and packing glands 27 and.

28 within the upper end of the sleeve 5, the upper screw threaded end 9 of this sleeve receives the usual packing nut 29. 1

Upon the upper end of the valve operating stem 24 there is secured any desired form of operating handle 30, and it will be clearly seen that any turning movement imparted to this operating handle will rotate the operating stem 24 for eflecting a sliding movement of the valve stem 16 and a consequent movement of the valve 19 toward or away from its seat 11. The lower end of the sleeve 5 has a lateral port 31 therethrough for establishing communication between the usual end nipplesof the valve casing 1 when the valve 19is moved to anopen position. I From the above description it will be readily ascertained that should there be any portion of the valve proper functioning improperly, all of thef working parts. of the valve may be readily removed from the casing 1 by unscrewing the sleeve 5 from its associated screw threaded openings within the casing 1, at which time the parts of the valve subjected to most wear may be readilv viewed and if these parts be worn or otherwise marred they may be readily detached for repairing or renewal. 7

While there is herein shown arid described the preferred embodiment of the present in- 1. In a valve of the type described, a valve I casing having a screw threaded aperture in its upper end and having a transverse part1- tion wall therein provided with a screw threaded aperture therethrough, an elongated sleeve member screw threadedly received within the threaded aperture in the casing and further threaded at its lower end in the threaded opening in the partition, said sleeve member being internally threaded at its lower end, a valve seat embodying a cylindrical wall threaded into the lower end of the sleeve member, an annular outwardly directed flange at the lower end of the cylindrical wall engaging the lower end of the sleeve member, a sliding valve stem positioned within said sleeve, a removable valve head positioned upon the lower end of the valve stem and of substantially conical formation at its upper end for partially entering the cylindrical valve seat when engaging the same and means cooperating with the opposite end of the valve stem for moving the valve toward and away from its seat.

2. In a valve ofthe type described, avalye casing having a screw threaded aperture in its upper end and having a transverse partition wall therein provided with a screw threaded aperture therethrough, an elongated sleeve member screw threadedly received within the threaded aperture in the casing and further threaded at its lower end in the threaded opening in the partition, said sleeve member being internally threaded at its lower end, a valve seat embodying a cylindrical wall threaded into thelower end or the sleeve member, an annular outwardly directed flange at the lowerend of the cylindrical wall'engaging the lower end of the sleeve member, a valve stem mounted for sliding movement within the sleeve and having stepped annular portions upon its lower end, a removable valve head positioned upon the stepped portion of the valve stem, said valve head being of hollow formation and internally threaded at its lower end and projecting below the stepped portion of the stem, a screw plug threaded into the lower end of the valve head engaging the lower end of the stem to hold the head in position and means associated with the opposite end of the valve stem for moving the valve head toward and away from its seat.

In testimony whereof I allix my signature.

JAMES- B. VANCE. 

